30231636361 has 8 divisors (see below), whose sum is σ = 31051251144. Its totient is φ = 29412155520.

The previous prime is 30231636353. The next prime is 30231636397. The reversal of 30231636361 is 16363613203.

It can be written as a sum of positive squares in 4 ways, for example, as 3029401600 + 27202234761 = 55040^2 + 164931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30231636361 - 2³ = 30231636353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30231636311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568821 + ... + 619693.

It is an arithmetic number, because the mean of its divisors is an integer number (3881406393).

Almost surely, 2^30231636361 is an apocalyptic number.

It is an amenable number.

30231636361 is a deficient number, since it is larger than the sum of its proper divisors (819614783).

30231636361 is a wasteful number, since it uses less digits than its factorization.

30231636361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66971.

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 30231636361 in words is "thirty billion, two hundred thirty-one million, six hundred thirty-six thousand, three hundred sixty-one".